Home / 199,500.56-275,310.66-127,880.54

Finding the Fourth Proportional to 199,500.56, 275,310.66 and 127,880.54

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Solution

The fourth proportional to 199,500.56, 275,310.66 and 127,880.54 is: 176,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,500.56 : 275,310.66 = 127,880.54 : x
  2. Step 2: Convert to fraction form
    199,500.56/275,310.66 = 127,880.54/x
  3. Step 3: Cross multiply
    199,500.56x = 275,310.66 × 127,880.54
  4. Step 4: Simplify right side
    199,500.56x = 35,206,875,868.56
  5. Step 5: Solve for x
    x = 35,206,875,868.56/199,500.56
  6. Step 6: Final answer
    x = 176,475.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.